Modular block



FIG. 1. Is a first perspective view of a modular block showing the new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a back elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The long broken lines in FIGS. 1-7 depict shading and form no part of the claimed invention. The small broken lines in FIGS. 1-7 illustrate portions of the modular block that form no part of the claimed design. 

CLAIM The ornamental design for modular block, as shown and described. 